Based on these smoothed edge lines road segments are formed. The final output is generated by connecting road segments.
最后连接由边缘线构成的道路段，得出道路提取结果。
The edge of the new pie chart is smoothed, the pie radial divisors are colored white, and the interior of the pie chart is made white.
将使新饼图的边变得平滑，把饼图的径向分区涂上白色，并且饼图的内部都会成为白色。
With this method, not only the noise can be smoothed efficiently, but also the blurred edge of an image be sharpened.
这种方法不仅能够有效地平滑噪声，还能够锐化模糊的图象边缘；
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